Manual for 6521

Manual for 6521

Brand: Doro

Category: Mobile Phone

Document Type:

Language: EN

Uploaded: Aug. 10, 2025, 12:10 a.m.

Manual Publish Date: 2016-06-22

Warranty Information

This product is guaranteed for 12 months from the date of purchase.

Getting Started:

  • Insert SIM card, memory card, and battery.
  • Charge the phone using the provided charger.
  • Turn the phone on by pressing and holding the power button.
  • Follow the start-up wizard for initial settings like language and time.

Basic Operation:

  • Navigate using selection buttons and arrow buttons.
  • Make calls by entering numbers or selecting from the phonebook.
  • Answer calls by opening the flip or pressing the answer key.
  • End calls by pressing the end call button or closing the flip.
  • Manage messages, contacts, and settings through the menu.

Troubleshooting and error codes

Indicator Meaning Action
Warning Warning Low battery level Charge the phone.
Query Query Unread messages/missed calls Check messages or missed calls.
OK Done (confirmed) Operation successful N/A
New message New message New message received Read the new message.
Battery level low Battery level low Battery critically low Charge the phone immediately.
Searching Searching Network search Ensure SIM card is inserted and in a network coverage area.
vCard message vCard message Contact information received Save the contact.
Volume control Volume control Adjusting volume Use side buttons +/-.
Processing, please wait Processing, please wait Device is processing Wait for the operation to complete.
SMS/MMS unread SMS/MMS unread Unread SMS/MMS Read the SMS/MMS.
SMS/MMS unsent SMS/MMS unsent SMS/MMS failed to send Check network coverage and message content. Retry sending.
E-mail without and with attachment unread E-mail without and with attachment unread Unread E-mail Read the e-mail.
Speaker on Speaker on Speakerphone activated N/A
Speaker off Speaker off Speakerphone deactivated N/A
Incoming call Incoming call Incoming call Answer or reject the call.
Outgoing call Outgoing call Outgoing call in progress N/A
Call ended Call ended Call finished N/A
Missed call Missed call Call not answered Call back or check missed call log.
Call on-hold Call on-hold Call on hold Retrieve the call or end it.
SOS calls SOS calls only SOS call active Wait for assistance.
Assistance button call Assistance button call Assistance call made Wait for assistance.
SMS/MMS read SMS/MMS read Read SMS/MMS N/A
SMS/MMS sent SMS/MMS sent SMS/MMS sent successfully N/A
E-mail without and with attachment read E-mail without and with attachment read Read E-mail N/A
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